PartsTable
Technical Data Sheet
2N2639A ✓ Verified by PartsTable
· SFP TRANSCEIVER
WHAT YOU NEED TO KNOW
SR = Short Range (multimode, 300m) | LR = Long Range (single-mode, 10km) DOM = Digital Optical Monitoring — most enterprise SFPs support it
MATCH ALL THREE: Speed + Wavelength + Brand compatibility
PRODUCT OVERVIEW

The SEMICONDUCTOR DEVICES,UNITIZED is a the manufacturer industrial component. Key specifications include overall_length: 0.260 INCHES MAXIMUM IN, transfer_ratio: 65.0 MAXIMUM SMALL-SIGNAL SHORT-CIRCUIT FORWARD CURRENT TRANSFER RATIO, COMMON-EMITTER ALL TRANSISTOR, mounting_method: TERMINAL, terminal_length: 0.500 INCHES MINIMUM IN, overall_diameter: 0.335 INCHES MAXIMUM IN, special_features: ALL TRANSISTOR JUNCTION PATTERN ARRANGEMENT: NPN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5961-00-781-3328, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
2N2639A
NSN: 5961-00-781-3328
FSC: 5961
CAGE: C7191 — ADELCO ELEKTRONIK GMBH (DEU)
SPECIFICATIONS
overall_length0.260 INCHES MAXIMUM IN
transfer_ratio65.0 MAXIMUM SMALL-SIGNAL SHORT-CIRCUIT FORWARD CURRENT TRANSFER RATIO, COMMON-EMITTER ALL TRANSISTOR
mounting_methodTERMINAL
terminal_length0.500 INCHES MINIMUM IN
overall_diameter0.335 INCHES MAXIMUM IN
special_featuresALL TRANSISTOR JUNCTION PATTERN ARRANGEMENT: NPN
features_providedHERMETICALLY SEALED CASE
semiconductor_materialSILICON ALL TRANSISTOR
terminal_circle_diameter0.200 INCHES NOMINAL IN
terminal_type_and_quantity6 UNINSULATED WIRE LEAD
component_name_and_quantity2 TRANSISTOR
specification/standard_data80131-RELEASE4034 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION
NSN5961-00-781-3328
COMPONENT DIAGRAM
BAIL LATCH 10G SFP+ 850nm · SR (MMF, 300m) DOM: Digital Optical Monitoring TX RX LC DUPLEX 20-PIN EDGE CONNECTOR ~56.5 mm ~13.4mm SFP+ TRANSCEIVER | 10G | 850nm | SR (MMF, 300m) Hot-swappable | LC duplex fiber | DDM/DOM supported TITLE SFP+ XCVR PN 2N2639A MFR OEM SEMICONDUCTOR DEVICES,UNITIZED
KEY FEATURES
OVERALL DIAMETER: 0.335 INCHES MAXIMUM IN
FEATURES PROVIDED: HERMETICALLY SEALED CASE
TERMINAL CIRCLE DIAMETER: 0.200 INCHES NOMINAL IN
TERMINAL LENGTH: 0.500 INCHES MINIMUM IN
MOUNTING METHOD: TERMINAL
COMPONENT NAME AND QUANTITY: 2 TRANSISTOR
SPECIFICATION/STANDARD DATA: 80131-RELEASE4034 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL DIAMETER0.335 INCHES MAXIMUM IN
OVERALL LENGTH0.260 INCHES MAXIMUM IN
FEATURES PROVIDEDHERMETICALLY SEALED CASE
TERMINAL CIRCLE DIAMETER0.200 INCHES NOMINAL IN
TERMINAL LENGTH0.500 INCHES MINIMUM IN
MOUNTING METHODTERMINAL
COMPONENT NAME AND QUANTITY2 TRANSISTOR
SPECIFICATION/STANDARD DATA80131-RELEASE4034 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION
CURRENT RATING PER CHARACTERISTIC30.00 MILLIAMPERES MAXIMUM COLLECTOR CURRENT, DC ALL TRANSISTOR
TRANSFER RATIO65.0 MAXIMUM SMALL-SIGNAL SHORT-CIRCUIT FORWARD CURRENT TRANSFER RATIO, COMMON-EMITTER ALL TRANSISTOR
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
99240-290Interchangeable
interchangeable cross-reference
interchangeable
27489-1Interchangeable
interchangeable cross-reference
interchangeable
MIL-S-19500/355AInterchangeable
interchangeable cross-reference
interchangeable
2N2639Interchangeable
interchangeable cross-reference
interchangeable
341-0122-001Interchangeable
interchangeable cross-reference
interchangeable
40-666-6360UInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 2N2639A?
2N2639A is a SEMICONDUCTOR DEVICES,UNITIZED.
What parts can replace 2N2639A?
There are 15 known substitutes for 2N2639A: 99240-290, 27489-1, MIL-S-19500/355A and 12 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 2N2639A?
2N2639A is cataloged in the Federal Logistics Information System (FLIS) under NSN 5961-00-781-3328. This indicates validated use in U.S. government and defense supply chains.
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